(C2014UN271) Bernardinelli-Bernstein
This object has a more recent orbit available here
Object
| Object | (C2014UN271) Bernardinelli-Bernstein |
| Diameter(1) | 200 km |
| Dynamic class(1) | comet |
| Absolute magnitude | 7.87 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2459400.5 |
| Semi major axis | 7335.938703 ± 48.746461 au |
| Eccentricity | 0.998509494 ± 0.000009896 |
| Inclination | 95.445766806 ± 0.000021023 ° |
| Longitude of ascending node | 189.929042 ± 0.000028 ° |
| Argument of perihelia | 326.378097 ± 0.000517 ° |
| Mean anomaly | 359.994520 ± 0.000055 ° |
| Orbital period | 628335.71 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv6 |
| Observation file |
omc_ast_NIMAv6.txt |
| bsp file | C2014UN271_Bernardinelli-Bernstein_nima_v6.bsp |
| Date of first observation | 2010-11-15 |
| Date of last observation | 2023-01-09 |
| Number of observations used in the fit | 342 |
| Number of rejected observations | 24 |
| Number of DES observations | 53 |
| Number of MPC observations | 270 |
| Number of unpublished observations | 43 |
| RMS of observations | 0.508 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv6 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2022-01 | 0.048 | 0.030 |
| 2022-07 | 0.037 | 0.047 |
| 2023-01 | 0.055 | 0.045 |
| 2023-07 | 0.061 | 0.058 |
| 2024-01 | 0.070 | 0.083 |
| 2024-07 | 0.115 | 0.078 |
| 2025-01 | 0.114 | 0.138 |
| 2025-07 | 0.215 | 0.091 |
| 2026-01 | 0.239 | 0.172 |
Ephemeris comparison
Difference between NIMAv6 and JPL4 in right ascension (weighted by cos δ) and in declination.
Gray area represents the 1-σ uncertainty of NIMA ephemeris. Green dots represent the DES observations.